[INFO] fetching crate h2sr 0.1.0...
[INFO] checking h2sr-0.1.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate h2sr 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate h2sr 0.1.0
[INFO] finished tweaking crates.io crate h2sr 0.1.0
[INFO] tweaked toml for crates.io crate h2sr 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate h2sr 0.1.0 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate h2sr 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bc1b8020bc3cf7b7b2408df42ebe5e8feaa1bb3856361d803444b7aefa883d93
[INFO] running `Command { std: "docker" "start" "-a" "bc1b8020bc3cf7b7b2408df42ebe5e8feaa1bb3856361d803444b7aefa883d93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc1b8020bc3cf7b7b2408df42ebe5e8feaa1bb3856361d803444b7aefa883d93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc1b8020bc3cf7b7b2408df42ebe5e8feaa1bb3856361d803444b7aefa883d93", kill_on_drop: false }`
[INFO] [stdout] bc1b8020bc3cf7b7b2408df42ebe5e8feaa1bb3856361d803444b7aefa883d93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dunmustuse_in_always_ok" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3055dd8bb692d0e74807fed58aa69b58212fc46658efba3a22a05234bdca7f5c
[INFO] running `Command { std: "docker" "start" "-a" "3055dd8bb692d0e74807fed58aa69b58212fc46658efba3a22a05234bdca7f5c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling libc v0.2.87
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking pin-project-lite v0.2.5
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking futures-core v0.3.13
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]    Compiling tokio v1.2.0
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking futures-task v0.3.13
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]     Checking futures-sink v0.3.13
[INFO] [stderr]    Compiling httparse v1.3.5
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking futures-channel v0.3.13
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]     Checking ipnet v2.3.0
[INFO] [stderr]     Checking tracing v0.1.25
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking mio v0.7.9
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking http v0.2.3
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking directories v3.0.1
[INFO] [stderr]     Checking iprange v0.6.3
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking http-body v0.4.0
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling futures-macro v0.3.13
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling pin-project-internal v1.0.5
[INFO] [stderr]     Checking futures-util v0.3.13
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking pin-project v1.0.5
[INFO] [stderr]     Checking tokio-util v0.6.3
[INFO] [stderr]     Checking tokio-socks v0.5.1
[INFO] [stderr]     Checking h2 v0.3.1
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking hyper v0.14.4
[INFO] [stderr]     Checking h2sr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/lib.rs:137:20
[INFO] [stdout]     |
[INFO] [stdout] 137 |       pattern.add(s.borrow())?
[INFO] [stdout]     |                    ^^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Borrow`, so calling `borrow` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/lib.rs:137:20
[INFO] [stdout]     |
[INFO] [stdout] 137 |       pattern.add(s.borrow())?
[INFO] [stdout]     |                    ^^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Borrow`, so calling `borrow` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<hyper::service::util::ServiceFn<{closure@src/main.rs:97:49: 97:59}, Body>, Infallible>
[INFO] [stdout]   --> src/main.rs:97:16
[INFO] [stdout]    |
[INFO] [stdout] 97 |     async move { Ok::<_, Infallible>(service_fn(move |req| proxy(env, client.clone(), req))) }
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<hyper::service::util::ServiceFn<{closure@src/main.rs:97:49: 97:59}, Body>, Infallible>
[INFO] [stdout]   --> src/main.rs:97:18
[INFO] [stdout]    |
[INFO] [stdout] 97 |     async move { Ok::<_, Infallible>(service_fn(move |req| proxy(env, client.clone(), req))) }
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `h2sr` (bin "h2sr" test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<hyper::service::util::ServiceFn<{closure@src/main.rs:97:49: 97:59}, Body>, Infallible>
[INFO] [stdout]   --> src/main.rs:97:16
[INFO] [stdout]    |
[INFO] [stdout] 97 |     async move { Ok::<_, Infallible>(service_fn(move |req| proxy(env, client.clone(), req))) }
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<hyper::service::util::ServiceFn<{closure@src/main.rs:97:49: 97:59}, Body>, Infallible>
[INFO] [stdout]   --> src/main.rs:97:18
[INFO] [stdout]    |
[INFO] [stdout] 97 |     async move { Ok::<_, Infallible>(service_fn(move |req| proxy(env, client.clone(), req))) }
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `h2sr` (bin "h2sr") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "3055dd8bb692d0e74807fed58aa69b58212fc46658efba3a22a05234bdca7f5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3055dd8bb692d0e74807fed58aa69b58212fc46658efba3a22a05234bdca7f5c", kill_on_drop: false }`
[INFO] [stdout] 3055dd8bb692d0e74807fed58aa69b58212fc46658efba3a22a05234bdca7f5c